KAKU ON HUMANS TO MARS BY 2030

Dr. Michio Kaku returns to CNN International to discuss President Barack Obama‘s CNN op-ed in which Mr. Obama affirmed America’s commitment to "send humans to Mars by the 2030’s with the ultimate ambition to one day remain there for an extended time."

Achieving this, he added, will "require continued cooperation between government and private innovators." Now in the final months of his eight-year presidency, Obama looks to set in motion plans, which could pan out to be a key part of his legacy. Dr. Kaku offers his assessment on the progress scientists are making in pursuit of Mission Mars. WATCH NOW!